I don' know, I had these for a while on my 2nd gen and never had a problem with them.

https://www.amazon.com/Foreverun-Motor-Sintered-KAWASAKI-2008-2015/dp/B00D402IVC/ref=sr_1_4?ie=UTF8&qid=1523824155&sr=8-4&keywords=klr+front+brake+pads